189080 has 32 divisors (see below), whose sum is σ = 442800. Its totient is φ = 72576.

The previous prime is 189067. The next prime is 189127. The reversal of 189080 is 80981.

189080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

189080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079 + ... + 1241.

2¹⁸⁹⁰⁸⁰ is an apocalyptic number.

189080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221400).

189080 is an abundant number, since it is smaller than the sum of its proper divisors (253720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189080 is a wasteful number, since it uses less digits than its factorization.

With its successor (189081) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (199).

189080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 189080 is about 434.8333013926. The cubic root of 189080 is about 57.3960314042.

The spelling of 189080 in words is "one hundred eighty-nine thousand, eighty".